CPCP023 Modifier Reference Guideline — Update

May 21, 2021

Blue Cross and Blue Shield of TX has revised the Clinical Payment and Coding Policy (CPCP) for Modifier Reference Guideline effective July 15, 2021, posted 4/10/2021, to clarify the policy in regard to AS and SA modifiers. Be sure to review the changes.

Provider should check eligibility and benefits before rendering service(s) to make sure a procedure is a covered benefit for the member and determine any prior authorization requirements.

If you have any questions or if you need additional information, please contact your BCBSTX Network Management Representative.


Clinical payment and coding policies are based on using healthcare professionals and industry standard guidelines. The clinical payment and coding guidelines are not intended to provide billing or coding advice but to serve as a reference for facilities and providers.